497822009 has 2 divisors, whose sum is σ = 497822010. Its totient is φ = 497822008.

The previous prime is 497821997. The next prime is 497822011. The reversal of 497822009 is 900228794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484132009 + 13690000 = 22003^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 497822009 - 2¹⁶ = 497756473 is a prime.

Together with 497822011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (497822099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248911004 + 248911005.

It is an arithmetic number, because the mean of its divisors is an integer number (248911005).

Almost surely, 2^497822009 is an apocalyptic number.

It is an amenable number.

497822009 is a deficient number, since it is larger than the sum of its proper divisors (1).

497822009 is an equidigital number, since it uses as much as digits as its factorization.

497822009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 497822009 is about 22311.9252643065. The cubic root of 497822009 is about 792.5464001731.

The spelling of 497822009 in words is "four hundred ninety-seven million, eight hundred twenty-two thousand, nine".